overcoat overcoached • overcoated · · · Info · Definitions · Synonyms · Characters · · overcoat · · Text Latin · · Script 8 · · Length Definitions · · · (noun) a heavy coat worn over clothes in winter. Synonyms: greatcoat, topcoat. · · Noun Definition 1 (noun) an additional protective coating (as of paint or varnish). Synonyms: overcoating. · · Noun Definition 2 Synonyms · · · greatcoat · · Synonym 1 topcoat · · Synonym 2 overcoating · · Synonym 3 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074 v latin small letter v U+0076